20189537500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{146833}}^1$

素因数の和:146873

約数の個数: 72

約数和(自身を含む): 48176822736

約数和(自身を除く): 27987285236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 1100, 1250, 1375, 2500, 2750, 3125, 5500, 6250, 6875, 12500, 13750, 27500, 34375, 68750, 137500, 146833, 293666, 587332, 734165, 1468330, 1615163, 2936660, 3230326, 3670825, 6460652, 7341650, 8075815, 14683300, 16151630, 18354125, 32303260, 36708250, 40379075, 73416500, 80758150, 91770625, 161516300, 183541250, 201895375, 367082500, 403790750, 458853125, 807581500, 917706250, 1009476875, 1835412500, 2018953750, 4037907500, 5047384375, 10094768750, 20189537500]

約数ペア:

[(1, 20189537500), (2, 10094768750), (4, 5047384375), (5, 4037907500), (10, 2018953750), (11, 1835412500), (20, 1009476875), (22, 917706250), (25, 807581500), (44, 458853125), (50, 403790750), (55, 367082500), (100, 201895375), (110, 183541250), (125, 161516300), (220, 91770625), (250, 80758150), (275, 73416500), (500, 40379075), (550, 36708250), (625, 32303260), (1100, 18354125), (1250, 16151630), (1375, 14683300), (2500, 8075815), (2750, 7341650), (3125, 6460652), (5500, 3670825), (6250, 3230326), (6875, 2936660), (12500, 1615163), (13750, 1468330), (27500, 734165), (34375, 587332), (68750, 293666), (137500, 146833)]